Home / 27,902,100.68-38,505,048.84-15,343,965.35

Finding the Fourth Proportional to 27,902,100.68, 38,505,048.84 and 15,343,965.35

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Solution

The fourth proportional to 27,902,100.68, 38,505,048.84 and 15,343,965.35 is: 21,174,754.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,902,100.68 : 38,505,048.84 = 15,343,965.35 : x
  2. Step 2: Convert to fraction form
    27,902,100.68/38,505,048.84 = 15,343,965.35/x
  3. Step 3: Cross multiply
    27,902,100.68x = 38,505,048.84 × 15,343,965.35
  4. Step 4: Simplify right side
    27,902,100.68x = 590,820,135,008,492.50
  5. Step 5: Solve for x
    x = 590,820,135,008,492.50/27,902,100.68
  6. Step 6: Final answer
    x = 21,174,754.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.